Feature: 1. MAIN PURPOSE Electric bike modification kit, suitable for DIY electric bicycle, electric bike, electric scooter, folding bikes, etc. Easy to maintain, greatly improves the fun of riding, suitable for cyclists who like a challenge. 2. CONTROLLER SHELL The controller adopts metal shell with grooved design, provides good heat dissipation function, can protect the internal circuit, so as to avoid thermal overload. 3. WATERPROOF S866 PANEL The panel uses durable ABS material, good toughness and waterproof performance, can provide better protection for internal circuits. 4. EASY ASSEMBLY DIY 17A 3 modes sine wave controller kit, equipped with S866 display panel, support riding speed display, clear and intuitive. With display bracket, suitable for 22.2mm handlebars. 5. WIDE APPLICATION Suitable for 24V250W 24V350W 36V250W 36V350W 48V250W 48V350W Hall and Hall free brushless motors. This motor controller kit is a perfect accessory for electric bike, scooter,etc. Specification: Item Type: Motor Brushless Controller Product Material: Aluminum Alloy, ABS Weight: Approx. 428g / 15.1oz Controller Voltage: DC24V 36V 48V Controller Maximum Current: 17 ± 1A Controller Power: 250W 350W Product Application: Suitable for 24V250W 24V350W 36V250W 36V350W 48V250W 48V350W Hall and Hall Free Brushless Motors. Package List: 1 x Controller1 x Panel2 x Manual